In the news
Introducing Claude Opus 5
Anthropic · Published · 3 min read · 1,778 on Hacker News
In 30 seconds
- What happened
- Anthropic released Claude Opus 5, a new mid-tier model matching Fable 5 performance at half the cost for coding and knowledge work.
- Why it matters
- Engineers building software, analyzing data, or automating workflows should evaluate it as a potential default model for daily development tasks.
- Watch out
- Opus 5 remains behind Mythos 5 on cybersecurity tasks, and performance varies by effort setting; benchmark results may not reflect your specific use case.
- claude
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